[infinispan-issues] [JBoss JIRA] (ISPN-5981) Compatibility mode: HotRod client sends request to wrong owner

[Radim Vansa (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-5981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Radim Vansa updated ISPN-5981:
------------------------------
    Priority: Major  (was: Critical)


> Compatibility mode: HotRod client sends request to wrong owner
> --------------------------------------------------------------
>
>                 Key: ISPN-5981
>                 URL: https://issues.jboss.org/browse/ISPN-5981
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Remote Protocols
>    Affects Versions: 8.0.1.Final, 8.1.0.Beta1
>            Reporter: Dan Berindei
>         Attachments: GetAllCompatDistTest.java
>
>
> The HotRod client computes the hash on the serialized key, i.e. {{MurmurHash3.hash(obj2bytes(key))}}, but the server decides the entry location based on the unmarshalled key, i.e. {{MurmurHash3.hash(key.hashCode())}}.
> I've modified {{GetAllCompatDistTest}} (attached) to test if there are any {{ClusteredGetCommand}}s being sent for {{RemoteCache.get(key)}} operations, and it finds quite a few:
> {noformat}
> java.lang.AssertionError: expected:<100> but was:<147>
> 	at org.testng.AssertJUnit.fail(AssertJUnit.java:59) ~[testng-6.8.8.jar:?]
> 	at org.testng.AssertJUnit.failNotEquals(AssertJUnit.java:364) ~[testng-6.8.8.jar:?]
> 	at org.testng.AssertJUnit.assertEquals(AssertJUnit.java:80) ~[testng-6.8.8.jar:?]
> 	at org.testng.AssertJUnit.assertEquals(AssertJUnit.java:245) ~[testng-6.8.8.jar:?]
> 	at org.testng.AssertJUnit.assertEquals(AssertJUnit.java:252) ~[testng-6.8.8.jar:?]
> 	at org.infinispan.client.hotrod.GetAllCompatDistTest.testGetWithCompatibility(GetAllCompatDistTest.java:57) ~[test-classes/:?]
> {noformat}



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